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drm: Implement dummies for debugfs helpers 

In case where debugfs support is disabled, define dummy functions to
avoid the need for #ifdefery in drivers.

Based on an earlier patch by Arnd Bergmann.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Thierry Reding 2013-12-12 15:44:04 +01:00 committed by Dave Airlie
parent 46eeb2c144
commit 66ee52e284
1 changed files with 24 additions and 0 deletions
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24
include/drm/drmP.h
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@ -1478,6 +1478,30 @@ extern int drm_debugfs_create_files(const struct drm_info_list *files,
extern int drm_debugfs_remove_files(const struct drm_info_list *files, extern int drm_debugfs_remove_files(const struct drm_info_list *files,
int count, struct drm_minor *minor); int count, struct drm_minor *minor);
extern int drm_debugfs_cleanup(struct drm_minor *minor); extern int drm_debugfs_cleanup(struct drm_minor *minor);
#else
static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
struct dentry *root)
{
return 0;
}
static inline int drm_debugfs_create_files(const struct drm_info_list *files,
int count, struct dentry *root,
struct drm_minor *minor)
{
return 0;
}
static inline int drm_debugfs_remove_files(const struct drm_info_list *files,
int count, struct drm_minor *minor)
{
return 0;
}
static inline int drm_debugfs_cleanup(struct drm_minor *minor)
{
return 0;
}
#endif #endif
/* Info file support */ /* Info file support */